Solimo flea and tick topical for Dogs kills fleas, flea eggs, flea larvae, ticks and chewing lice. The fast-acting, long-lasting treatment is formulated to protect your dog against dangerous pests. It breaks the flea life cycle by killing flea eggs and larvae and kills ticks, including deer ticks that may transmit Lyme disease. For best results, apply once a month to protect your dog from fleas and ticks.